13.1 SEL-functie ........................................................................................158
13.2 REL-functie ........................................................................................158
13.3 HOLD-functie .....................................................................................158
13.5 Zaklantaarn ........................................................................................159
14.2 Reiniging ............................................................................................160
15 Verwijdering ...............................................................................................164
15.1 Product ..............................................................................................164
16 Probleemoplossing ....................................................................................166
132